Interactive Video Game Using Physical Lego Pieces

Published on January 08, 2026 | Translated from Spanish
Table with Lego pieces being scanned by a camera while they are reflected on a screen with the corresponding video game.

When Lego Comes to Life on the Screen (and Vice Versa)

In a world where video games usually require expensive controllers and powerful equipment, a German engineer decided to go back to basics: the classic Lego blocks. Erik Liermann created a game where physical pieces control the digital action, proving that innovation can come in boxes of checkered plastic.

"Finally a game where stepping on a piece is part of the experience, not a painful accident"

The Bridge Between Physical and Digital

This peculiar system works through computer vision that detects Lego constructions in real time. The possibilities are as broad as the imagination:

Table with Lego pieces being scanned by a camera while they are reflected on a screen with the corresponding video game.

An Experiment with a Father's Heart

Behind this innovation is a heartwarming family motivation:

The Future We Could Build

Although for now it's just a personal project, the possibilities are endless:

This invention demonstrates that sometimes the best ideas come from combining the old with the new. Who would have thought that those blocks that always ended up under the sofa could be the controllers of the future 🧱